The present invention relates to a process for synthesizing a compound of formula (I), (I), wherein R1 is phenyl, which is unsubstituted, or once, twice or three times substituted by halogen; R2 is C1-6alkyl; R3 is heterocyclyl; and diastereomer, pharmaceutically acceptable salts thereof, which is useful for prophylaxis and treatment of a viral disease in a patient relating to hepatitis B infection or a disease caused by hepatitis B infection.
本发明涉及一种合成化合物的方法,该化合物的
化学式为(I),其中R1为苯基,未被取代,或者被卤素取代一次、两次或三次;R2为C1-6烷基;R3为杂环烷基;以及该化合物的对映体、药学上可接受的盐,用于预防和治疗与乙型肝炎感染有关的病毒疾病或由乙型肝炎感染引起的疾病的方法。